re PR middle-end/52177 (ICE: verify_gimple failed: non-trivial conversion at assignment with __atomic_is_lock_free())

PR middle-end/52177
	* builtins.c (fold_builtin_atomic_always_lock_free,
	expand_builtin_atomic_always_lock_free,
	fold_builtin_atomic_is_lock_free,
	expand_builtin_atomic_is_lock_free): Return and/or test
	boolean_true_node/boolean_false_node instead of
	integer_one_node/integer_zero_node.

	* c-c++-common/pr52177.c: New test.

From-SVN: r184096
This commit is contained in:
Jakub Jelinek 2012-02-10 16:31:18 +01:00 committed by Jakub Jelinek
parent e6c5817dca
commit 58d38fd2d6
4 changed files with 45 additions and 7 deletions

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@ -1,3 +1,13 @@
2012-02-10 Jakub Jelinek <jakub@redhat.com>
PR middle-end/52177
* builtins.c (fold_builtin_atomic_always_lock_free,
expand_builtin_atomic_always_lock_free,
fold_builtin_atomic_is_lock_free,
expand_builtin_atomic_is_lock_free): Return and/or test
boolean_true_node/boolean_false_node instead of
integer_one_node/integer_zero_node.
2012-02-10 Jan Hubicka <jh@suse.cz>
PR middle-end/48600

View File

@ -5639,15 +5639,15 @@ fold_builtin_atomic_always_lock_free (tree arg0, tree arg1)
/* If the object has smaller alignment, the the lock free routines cannot
be used. */
if (type_align < mode_align)
return integer_zero_node;
return boolean_false_node;
/* Check if a compare_and_swap pattern exists for the mode which represents
the required size. The pattern is not allowed to fail, so the existence
of the pattern indicates support is present. */
if (can_compare_and_swap_p (mode, true))
return integer_one_node;
return boolean_true_node;
else
return integer_zero_node;
return boolean_false_node;
}
/* Return true if the parameters to call EXP represent an object which will
@ -5671,7 +5671,7 @@ expand_builtin_atomic_always_lock_free (tree exp)
}
size = fold_builtin_atomic_always_lock_free (arg0, arg1);
if (size == integer_one_node)
if (size == boolean_true_node)
return const1_rtx;
return const0_rtx;
}
@ -5686,8 +5686,8 @@ fold_builtin_atomic_is_lock_free (tree arg0, tree arg1)
return NULL_TREE;
/* If it isn't always lock free, don't generate a result. */
if (fold_builtin_atomic_always_lock_free (arg0, arg1) == integer_one_node)
return integer_one_node;
if (fold_builtin_atomic_always_lock_free (arg0, arg1) == boolean_true_node)
return boolean_true_node;
return NULL_TREE;
}
@ -5717,7 +5717,7 @@ expand_builtin_atomic_is_lock_free (tree exp)
/* If the value is known at compile time, return the RTX for it. */
size = fold_builtin_atomic_is_lock_free (arg0, arg1);
if (size == integer_one_node)
if (size == boolean_true_node)
return const1_rtx;
return NULL_RTX;

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@ -1,3 +1,8 @@
2012-02-10 Jakub Jelinek <jakub@redhat.com>
PR middle-end/52177
* c-c++-common/pr52177.c: New test.
2012-02-10 Jan Hubicka <jh@suse.cz>
PR middle-end/48600

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@ -0,0 +1,23 @@
/* PR middle-end/52177 */
/* { dg-do compile } */
/* { dg-options "-O -fno-tree-ccp" } */
int *s;
static inline int
foo ()
{
return sizeof (int);
}
int
bar ()
{
return __atomic_always_lock_free (foo (), s);
}
int
baz ()
{
return __atomic_is_lock_free (foo (), s);
}